rt-thread-official/bsp/thead-smart/gcc_csky.ld

186 lines
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/*
* Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/******************************************************************************
* @file gcc_csky.h
* @brief csky linker file for PHOBOS
* @version V1.0
* @date 02. June 2017
******************************************************************************/
MEMORY
{
I-SRAM : ORIGIN = 0x0 , LENGTH = 0x40000 /* I-SRAM 256KB */
D-SRAM : ORIGIN = 0x20000000 , LENGTH = 0xc0000 /* D-SRAM 768KB */
O-SRAM : ORIGIN = 0x50000000 , LENGTH = 0x800000 /* off-chip SRAM 8MB */
SRAM : ORIGIN = 0x60000000 , LENGTH = 0x20000 /* on-chip SRAM 128KB */
}
PROVIDE (__StackTop = 0x200c0000 - 0x8);
PROVIDE (Stack_Size = 0x1000);
REGION_ALIAS("REGION_TEXT", I-SRAM);
REGION_ALIAS("REGION_RODATA", I-SRAM);
REGION_ALIAS("REGION_CUSTOM1", D-SRAM);
REGION_ALIAS("REGION_CUSTOM2", D-SRAM);
REGION_ALIAS("REGION_DATA", D-SRAM);
REGION_ALIAS("REGION_BSS", D-SRAM);
ENTRY(Reset_Handler)
SECTIONS
{
.text : AT(ADDR(.text)){
. = ALIGN(0x4) ;
__stext = . ;
KEEP(*startup_gcc.o(*.text*))
*(.text)
*(.text*)
*(.text.*)
*(.gnu.warning)
*(.stub)
*(.gnu.linkonce.t*)
*(.glue_7t)
*(.glue_7)
*(.jcr)
*(.init)
*(.fini)
. = ALIGN (4) ;
PROVIDE(__ctbp = .);
*(.call_table_data)
*(.call_table_text)
/* section information for finsh shell */
. = ALIGN(4);
__fsymtab_start = .;
KEEP(*(FSymTab))
__fsymtab_end = .;
. = ALIGN(4);
__vsymtab_start = .;
KEEP(*(VSymTab))
__vsymtab_end = .;
. = ALIGN(4);
/* section information for initial. */
. = ALIGN(4);
__rt_init_start = .;
KEEP(*(SORT(.rti_fn*)))
__rt_init_end = .;
. = ALIGN(4);
. = ALIGN(0x10) ;
__etext = . ;
} > REGION_TEXT
.eh_frame_hdr : {
*(.eh_frame_hdr)
} > REGION_TEXT
.eh_frame : ONLY_IF_RO {
KEEP (*(.eh_frame))
} > REGION_TEXT
.gcc_except_table : ONLY_IF_RO {
*(.gcc_except_table .gcc_except_table.*)
} > REGION_TEXT
.rodata :{
. = ALIGN(0x4) ;
__srodata = .;
*(.rdata)
*(.rdata*)
*(.rdata1)
*(.rdata.*)
*(.rodata)
*(.rodata1)
*(.rodata*)
*(.rodata.*)
*(.srodata*)
*(.rodata.str1.4)
. = ALIGN(0x4) ;
__ctor_start__ = .;
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
__ctor_end__ = .;
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
__dtor_end__ = .;
. = ALIGN(0x4) ;
__erodata = .;
__rodata_end__ = .;
} > REGION_RODATA
.data : {
. = ALIGN(0x4) ;
__data_start__ = . ;
__sdata = . ;
data_start = . ;
KEEP(*startup_gcc.o(*.vectors*))
*(.got.plt)
*(.got)
*(.gnu.linkonce.r*)
*(.data)
*(.data*)
*(.data1)
*(.data.*)
*(.gnu.linkonce.d*)
*(.data1)
*(.gcc_except_table)
*(.gcc_except_table*)
__start_init_call = .;
*(.initcall.init)
__stop_init_call = .;
__start_cmd = .;
*(.bootloaddata.cmd)
. = ALIGN(4) ;
__stop_cmd = .;
__global_pointer$ = .;
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(__libc_atexit)
*(__libc_subinit)
*(__libc_subfreeres)
*(.note.ABI-tag)
__edata = .;
__data_end__ = .;
. = ALIGN(0x4) ;
} > REGION_DATA AT > REGION_RODATA
.eh_frame : ONLY_IF_RW {
KEEP (*(.eh_frame))
} > REGION_DATA AT > REGION_RODATA
.gcc_except_table : ONLY_IF_RW {
*(.gcc_except_table .gcc_except_table.*)
__edata = .;
__data_end__ = .;
} > REGION_DATA AT > REGION_RODATA
.bss : {
. = ALIGN(0x4) ;
__sbss = ALIGN(0x4) ;
__bss_start__ = . ;
*(.dynsbss)
*(.sbss)
*(.sbss.*)
*(.scommon)
*(.dynbss)
*(.bss)
*(.bss.*)
*(COMMON)
. = ALIGN(0x4) ;
__ebss = . ;
__end = . ;
end = . ;
__bss_end__ = .;
} > REGION_BSS
/* End of uninitalized data segement */
PROVIDE(end = .);
}